---
title: "W7500P PHY 49.9 ohm Resistor"
url: "https://maker.wiznet.io/forum/12695"
markdown_url: "https://maker.wiznet.io/forum/12695/md"
type: "Forum topic"
category: "MCU & Boards"
author: "mutlu"
created: "2018-01-29T07:16:09+09:00"
last_activity: "2018-01-30T05:33:46+09:00"
language: "en"
views: 771
replies: 2
source: "WIZnet Makers forum (https://maker.wiznet.io/forum/)"
---

# W7500P PHY 49.9 ohm Resistor

## Question

Asked by mutlu on 2018-01-29 in MCU & Boards.

Hi guys,

Are the 49.9 ohm resistors plugged into ethernet lines internally in the W7500P?

## Replies

### Reply 1 by Edward, 2018-01-30

Hi. mutlu

Yes. W7500P already have 49.9ohm resistors inside.

So, You do not need to attach resistors in ethernet line.

Thank you.

### Reply 2 by mutlu, 2018-01-30 (in reply to reply 1)

Thank you.

30.01.2018 03:11 tarihinde Edward AHN yazdı:

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Source: https://maker.wiznet.io/forum/12695